Top Definition
Underwear stained by menstrual blood, that has been deemed for use only during future "periods."
"Does anybody have some munderwear I can borrow -- I don't want to use an unstained pair of panties"
by Robin "mundy" Cummins April 07, 2007
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.